GEO Podcast
Gary Lewis, GEOetc.com
Publishing Details
About This Podcast
A place to learn about geology for teachers, students, rock hounds, and geology enthusiasts - that comes out on Fridays!
Gary Lewis is an Australian-born geologist who loves to share his passion for all things 'geology'. In the GEO podcast, Gary takes you on a journey to learn about rocks, minerals, earthquakes, volcanoes, glaciers and so much more.
It does not matter if you have no experience in geology, Gary will help you to understand the fundamentals of our planet so you can have a greater understanding about when you see when visiting your backyard, your local creek, cliff or beyond.
You can also join Gary as he runs Field Adventures (specialist travel experiences) to see parts of the world through the eyes of a passionate Earth scientist. Find out more at www.geoetc.com.
Podcasting 2.0 Features
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Recent Episodes
S6E79 Microfossils
You can find the GEO podcast on iTunes right here.You can also find GEO Podcast or all the major podcast capture platforms!(Go on...subscribe and do not miss the new episodes)In this episode, I talk…
S6E78 Shale - and how we use it
You can also find GEO Podcast or all the major podcast capture platforms!(Go on...subscribe and do not miss the new episodes)In this episode, I talk about shale, some major types, and how humans have…
S6E77 Sandstone - quartz, arkose and lithic
You can find the GEO podcast on iTunes right here.You can also find GEO Podcast or all the major podcast capture platforms!(Go on...subscribe and do not miss the new episodes)In this episode, I talk…
S6E76 Apparent Polar Wandering & Plate Tectonics
You can also find GEO Podcast or all the major podcast capture platforms!(Go on...subscribe and do not miss the new episodes)In this episode, I explain what apparent polar wandering curves are and…
S5E75 Seeing Inside the Earth
In this episode, I explain how seismic waves are used to see the internal structure of the Earth including the crust, mantle, outer core, and inner core.You can also find GEO Podcast or all the major…
S5E74 Tectonic Plates - Lithosphere, Moho, Asthenosphere
In this episode, I talk about the structure of a tectonic plate and introduce the terms crust, mantle, lithosphere, moho discontinuity, and asthenosphere.You can find the GEO podcast on iTunes right…
S5E73 Three reasons why civilizations grew up around volcanoes
In this episode, I talk about the three reasons why people and civilizations grew up around active volcanoes. Why did people need to live close to the dangers of eruptions? What was it that drove…
S5E72 Salt Weathering
In this episode, I talk about how salt acts as a physical weathering agent to break down rocks. Physical weathering is the breaking down of rocks without a chemical change, and salt can act as the…
S5E71 Current Iceland Volcanic Activity 101
In this episode, I explain in simple terms what is happening in Iceland these last few years on the plate boundary. I explain the two geological phenomena in Iceland, the recent eruptions and…
S4E70 Fake & Pseudo Fossils
In this episode, I talk about fake fossils and why people create them, as well as pseudo fossils such as dendrites.Visit our GEOetc Members Section - Over 100 teaching resources that are…
S4E69 Where does magma come from?
In this episode, I talk about how molten rock is formed inside the Earth - what are the mechanisms that cause our planet to produce molten rock to feed volcanoes?Visit our GEOetc Members Section -…
S4E68 All about limestone
In this episode, I talk about the different forms of limestone and how they form including chalk, coquina, fossiliferous limestone, travertine, and oolitic limestone. Visit our GEOetc Members…
S4E67 Bowens Reaction Series
In this episode I talk about Bowen's Reaction Series - and how it tells us the order of crystallization of minerals from molten rock.Support the show
S4E66 Earth's Major Systems
The Earth is a huge system made up of a number of 'spheres' - the geosphere, hydrosphere, cryosphere, atmosphere, and biosphere. What are each of these spheres and how can they interact? This…
S4E65 Buying a rock (geologic) hammer
In this episode, I talk about the things to consider when buying a geologic hammer - what to look for and the decisions you will need to make. You can find this information and more in my blog post…
S4E64 Earth's largest volcano erupts - Mauna Loa 2022
In this episode, I talk about the recent eruption of Mauna Loa on the Big Island of Hawaii. The eruption was in 2022 and lasted just two weeks - but produced massive around of lava.Come and join us…
S4E63 Have I found gold? Simple tests to find out!
In this episode, I talk about the three common minerals that fool people into thinking they have found gold - pyrite, chalcopyrite, and mica. I talk about the simple tests you can do to find out if…
S4E62 Hawaii - why I love taking people to visit the volcanoes
In this episode, I talk about the four reasons I just love to take people on tours around the volcanoes in Hawaii. It is about the accessibility of seeing the planet's largest and most active…
S4E61 The 5 Great Extinctions
In this episode, I talk about the five great extinction events - events in which more than 70% of species on Earth become extinct. When did these occur and what might have caused each event.Visit…
S4E60 Graptolites
In this episode, I talk about the extinct colonial animal we call graptolites. These are fascinating fossils as they not only show an evolutionary trend that goes from complex to simple, but their…
Frequently Asked Questions
GEO Podcast has published 79 episodes since January 2020, covering topics in Earth Sciences, Education.
GEO Podcast is currently dormant with new episodes weekly. Average episode length is 8m.
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